Here's the Flux "Driver info":
NVIDIA 30.0.14.7212: NVIDIA GeForce GTX 1060 3GB (20210913)
Generic PnP Monitor, 800 x 450mm, built 2017
Chromaticities:
R=0.642578 0.332031
G=0.322266 0.623047
B=0.146484 0.055664
W=0.280273 0.290039
sRGB gamut: 95%, AdobeRGB gamut: 66%
Unlimited gamma ramp=1, Internal ramp=0
Monitor 1 on NVIDIA GeForce GTX 1060 3GB
Has VCGT profile=0, Gamma Ramp works=1
Windows Build: 19042.1288
It is interesting that it shows the display size improperly -- it says 800mm x 450mm, when it should be 1435mm x 800mm. Also, this TV was built in 2020, not 2017, but it may be getting the year from the Denon home theater receiver that it is connected through?